13653993834 has 48 divisors (see below), whose sum is σ = 32887056384. Its totient is φ = 4065703200.

The previous prime is 13653993827. The next prime is 13653993839. The reversal of 13653993834 is 43839935631.

13653993834 is a `hidden beast` number, since 13 + 6 + 539 + 93 + 8 + 3 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (13653993839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 933882 + ... + 948389.

It is an arithmetic number, because the mean of its divisors is an integer number (685147008).

Almost surely, 2^13653993834 is an apocalyptic number.

13653993834 is an abundant number, since it is smaller than the sum of its proper divisors (19233062550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13653993834 is a wasteful number, since it uses less digits than its factorization.

13653993834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882323 (or 1882320 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The spelling of 13653993834 in words is "thirteen billion, six hundred fifty-three million, nine hundred ninety-three thousand, eight hundred thirty-four".